The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
process_event_id
,assignment_id
,effective_date
,change_type
,status
,description
,object_version_number
from pay_process_events
where process_event_id = p_process_event_id;
select
process_event_id
,assignment_id
,effective_date
,change_type
,status
,description
,object_version_number
from pay_process_events
where process_event_id = p_process_event_id
for update nowait;